Bionauts
(bionaut 的复数) n. = biospherian
🗣️ 情景例句
Fine!
好！
Help yourself, please.
请自己用。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。